Home / 717,532.29-990,237.09-411,606.42

Finding the Fourth Proportional to 717,532.29, 990,237.09 and 411,606.42

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Solution

The fourth proportional to 717,532.29, 990,237.09 and 411,606.42 is: 568,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,532.29 : 990,237.09 = 411,606.42 : x
  2. Step 2: Convert to fraction form
    717,532.29/990,237.09 = 411,606.42/x
  3. Step 3: Cross multiply
    717,532.29x = 990,237.09 × 411,606.42
  4. Step 4: Simplify right side
    717,532.29x = 407,587,943,566.12
  5. Step 5: Solve for x
    x = 407,587,943,566.12/717,532.29
  6. Step 6: Final answer
    x = 568,041.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.